Firearm.



T. G. JOHNSON.

FIREARM.

Patented July 5, 1910.

UNinn earns T 0 EKCE.

THOMAS C. JOHNSON, OF NEW HAVEN, CONNECTICUT, ASSIGNOR TO WINCHESTERREPEATING ARMS (70., OF NEW HAVEN, CONNECTICUT, A CORPORATION.

FIREARM.

Specification of Letters Patent.

Patented July 5, 1910.:

Application filed May 14, 1910. Serial -N0. 561,417.

To all whom it may concern:

Be it known that I, THOMAS C. JoHNsoN, a citizen of the United States,residing at New Haven, inthe' county of New Haven and State ofConnecticut, have invented a new and useful Improvement in Firearms;

of the butt-stock bolt. Fig. 4 a detached plan view of thelocking-washer. Fig. 5 an edge View thereof.

My invention relates to an improvement in that class of shoulder arms inwhich the butt-stock is secured to the frame of the arm by means of ascrew bolt and shank arranged in line with the longitudinal axis of thestock, the object being to improve the construction of arms of thisclass with particular referbnce to fastening the stock and frametogether with great solidity and so as to prevent themv from workingloose under the repeated shocks of recoil.

With these ends in View my invention consists in afirearm having certaindetails of construction as will be hereinafter described and pointed outin the claims.

In carrying out my invention as herein shown, I employ a taperingshank 2provided at its forward end with a threaded: stem 3 separated from theforward end of,-

.end of a screw-bolt'7 furnished at its rear end with a head 8 having anotch 9 for the application of a screw-driver, whlch is not shown, butwhich, it will be understood, is

It will be understood,

introduced into the butt-stock 10 through a long bore 11 formed thereinand extending in line with the longitudinal axis thereof,

the rear end of the bore 11 being normally closed by the butt-plate 12which is secured in place by screws 13. Leading out of the forward endof the bore 11 and in line therewith is a smaller bore 14 which extendsforward through the forward end of the buttstock and receives the saidscrew-bolt 7 and the shank 2, an annular bearing-shoulder 15 beingformed between the forward end of the larger bore 11 and the rear end ofthe smaller bore 14, and this bearingshoulder being located in a planeat a right angle to the line of recoil.

Between the face of the shoulder 15 and the inner face of the bolt-head8, I locate a locking-device consisting, as shown, of'

the tooth 19 into the forward face of the bolt-head 8, or vice versa. Ifdesired, the

said inner face of the bolt-head 8 may be formed with shallow radialnotches 21 for the reception of one or the other of the two teeth 19 and20, as the case may be. In any case the said washer will be located in.a plane at a right angle to the line of recoil as should anylocking-device which might, in carrying out my invention, replace thesaid washer.

Under this construction, the butt-stock 10 may be fastened to the frame5 with reat solidity as the draft of the tapered s ank 2 and screw-bolt7 are in line with the longitudinal axis of the butt-stock which isfirmly held against rotation, as shown, by the entrance of the u pertang 22 into a recess 23 in the upper face of the butt-stock.

Now as the bolt 7 is held against rotation 5 this compression, althoughextremely slight,

will in time permit the bolt to rotate and destroy that rigidity ofconnection between the frame and butt-stock which is necessary.

In using the word gun-frame I have used it to cover both of thoseportions of the frame known as the receiver and tang, as it is apparentthat it is immaterial so far as my present invention in concerned,whether the shank receiving the threaded forward end of the screw-boltis fastened to one portion of the frame or the other.

1. In a shoulder arm, the combination with the frame thereof, of a shankrigidly secured thereto and extending rearwardly therefrom, and formedat its rear end with a threaded socket, a chambered butt-stock, ascrew-bolt located within the said chambered butt-stock in line with thelongitudinal axis thereof and extended at its forward end into thethreaded socket in'the rear end of the said shank, and means lo-,'

cated within the butt-stock and co-acting therewith and the head of thescrew-bolt to secure the same against rotation underthe shock of recoil.

2. In a shoulder arm, the combination with the frame thereof, of a shankprovided at its forward end with a bearing-shoulder ortion of thebutt-stock be-' and with a threaded stem, which latter is screwed into asocket in the frame to bring the said shoulder to a solid bearingthereupon, and the rear end of the shank being formed with a threadedsocket; a butt-stock formed with a long bore entering it from its rearend and arranged in line with its lonitudinal axis, and with a smallerbore leadlng out of the forward end of the bore aforesaid and extendingforward through the forward end of the butt-stock in line with the axisthereof, the two bores being separated by a shoulder; a screw-boltlocated in the bores of the butt-stock and entered at its forward endinto the threaded socket of the shank, a locking-device interposedbetween the head of the screw-bolt and the shoulder formed betweenthe-two bores of the butt-stock, the said device co-acting with of thebolt head to firmly hold the bolt against rotation under the shock ofrecoil,

ing witnesses.

THOMAS C. JOHNSON.

VVitnesseSz CLARA L. WEED, CLIFFORD J. REED.

.the said shoulder and with the' inner face

